IP Library › Granted Patent US 10,611,079

Granted Patent B2

US 10,611,079 · App. 15/899,360 · Granted Apr 7, 2020

Quadrilateral sparse infill made of linear segments of filament

Inventor: Zachary Aaron August (Santa Clara, CA)

Assignee: Arevo, Inc.

B29C64/118 B33Y10/00 B33Y70/00 B33Y80/00 B29K2105/08 B29K2307/04

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Quick Facts

Patent No.: US 10,611,079
App. No.: 15/899,360
Granted: Apr 7, 2020
Kind: B2

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Abstract

An article of manufacture is disclosed that comprises an infill made from linear segments of filament, such as but not limited to continuous carbon fiber-reinforced thermoplastic filament. Embodiments of the present invention comprises segments of filament in various geometries that distribute where adjacent segments overlap and are fused and where segments do not overlap. Embodiments of the present invention include quadrilateral (e.g., orthogonal, rectangular, etc.) infill and hexagonal (e.g., regular hexagonal, irregular hexagonal, convex hexagonal, etc.) infill.

Claims (150)

1. An article of manufacture comprising a quadrilateral infill, the quadrilateral infill comprising:

a first linear segment of filament (A 1 ) that traverses in a straight line a volume of space V( 1 , 2 ), a volume of space V( 2 , 2 ), a volume of space V( 3 , 2 ), a volume of space V( 4 , 2 ), and a volume of space V( 5 , 2 );

a second linear of filament (A 2 ) that traverses in a straight line a volume of space V( 1 , 4 ), a volume of space V( 2 , 4 ), a volume of space V( 3 , 4 ), a volume of space V( 4 , 4 ), and a volume of space V( 5 , 4 );

a third linear segment of filament (B 1 ) that traverses in a straight line a volume of space V( 2 , 1 ), the volume of space V( 2 , 2 ), a volume of space V( 2 , 3 ), the volume of space V( 2 , 4 ), and a volume of space V( 2 , 5 ), wherein:

(i) the third linear segment of filament (B 1 ) is fused to the first linear segment of filament (A 1 ) in the volume of space V( 2 , 2 ), and

(ii) the third linear segment of filament (B 1 ) is fused to the second linear segment of filament (A 2 ) in the volume of space V( 2 , 4 );

a fourth linear segment of filament (B 2 ) that traverses in a straight line a volume of space V( 4 , 1 ), the volume of space V( 4 , 2 ), a volume of space V( 4 , 3 ), the volume of space V( 4 , 4 ), and a volume of space V( 4 , 5 ), wherein:

(i) the fourth linear segment of filament (B 2 ) is fused to the first linear segment of filament (A 1 ) in the volume of space V( 4 , 2 ), and

(ii) the fourth linear segment of filament (B 2 ) is fused to the second linear segment of filament (A 2 ) in the volume of space V( 4 , 4 );

a fifth linear segment of filament (C 2 ) that exists in the volume of space V( 1 , 4 ), the volume of space V( 2 , 3 ), the volume of space V( 3 , 2 ), and the volume of space V( 4 , 1 ), wherein:

(i) the fifth linear segment of filament (C 2 ) is fused to and parallel to the second linear segment of filament (A 2 ) in the volume of space V( 1 , 4 ), and

(ii) the fifth linear segment of filament (C 2 ) is fused to and parallel to the third linear segment of filament (B 1 ) in the volume of space V( 2 , 3 ), and

(iii) the fifth linear segment of filament (C 2 ) is fused to and parallel to the first linear segment of filament (A 1 ) in the volume of space V( 3 , 2 ), and

(iv) the fifth linear segment of filament (C 2 ) is fused to and parallel to the fourth linear segment of filament (B 2 ) in the volume of space V( 4 , 1 ); and

a sixth linear segment of filament (C 3 ) that exists in the volume of space V( 2 , 5 ), the volume of space V( 3 , 4 ), the volume of space V( 4 , 3 ), and the volume of space V( 5 , 2 ), wherein:

(i) the sixth linear segment of filament (C 3 ) is fused to and parallel to the third linear segment of filament (B 1 ) in the volume of space V( 2 , 5 ), and

(ii) the sixth linear segment of filament (C 3 ) is fused to and parallel to the second linear segment of filament (A 2 ) in the volume of space V( 3 , 4 ), and

(iii) the sixth linear segment of filament (C 3 ) is fused to and parallel to the fourth linear segment of filament (B 2 ) in the volume of space V( 4 , 3 ), and

(iv) the sixth linear segment of filament (C 3 ) is fused to and parallel to the first linear segment of filament (A 1 ) in the volume of space V( 5 , 2 );

wherein the volume of space V( 1 , 2 ), the volume of space V( 1 , 4 ), the volume of space V( 2 , 1 ), the volume of space V( 2 , 2 ), the volume of space V( 2 , 3 ), the volume of space V( 2 , 4 ), the volume of space V( 2 , 5 ), the volume of space V( 3 , 2 ), the volume of space V( 3 , 4 ), and a volume of space V( 4 , 1 ), the volume of space V( 4 , 2 ), the volume of space V( 4 , 3 ), the volume of space V( 4 , 4 ), the volume of space V( 4 , 5 ), the volume of space V( 5 , 2 ), and the volume of space V( 5 , 4 ) are disjoint.

2. The article of manufacture of claim 1 further comprising:

a seventh linear segment of filament (C 1 ) that traverses a volume of space V( 1 , 2 ) and the volume of space V( 2 , 1 ), wherein:

(i) the seventh linear segment of filament (C 1 ) is fused to and parallel to the first linear segment of filament (A 1 ) in the volume of space V( 1 , 2 ), and

(ii) the seventh linear segment of filament (C 1 ) is fused to and parallel to the third linear segment of filament (B 1 ) in the volume of space V( 2 , 1 );

an eighth linear segment of filament (C 4 ) that traverses a volume of space V( 4 , 5 ) and the volume of space V( 5 , 4 ), wherein:

(i) the eighth linear segment of filament (C 4 ) is fused to and parallel to the fourth linear segment of filament (B 2 ) in the volume of space V( 4 , 5 ), and

(ii) the eighth linear segment of filament (C 4 ) is fused to and parallel to the second linear segment of filament (A 2 ) in the volume of space V( 5 , 4 ).

3. The article of manufacture of claim 2 further comprising:

a ninth linear segment of filament (D 2 ) that exists in the volume of space V( 1 , 4 ), the volume of space V( 2 , 3 ), the volume of space V( 3 , 4 ), and the volume of space V( 4 , 5 ), wherein:

(i) the ninth linear segment of filament (D 2 ) is fused to and parallel to the seventh linear segment of filament (C 1 ) in the volume of space V( 1 , 2 ), and

(ii) the ninth linear segment of filament (D 2 ) is fused to and parallel to the fifth linear segment of filament (C 2 ) in the volume of space V( 2 , 3 ), and

(iii) the ninth linear segment of filament (D 2 ) is fused to and parallel to the sixth linear segment of filament (C 3 ) in the volume of space V( 3 , 4 ), and

(iv) the ninth linear segment of filament (D 2 ) is fused to and parallel to the eighth linear segment of filament (C 4 ) in the volume of space V( 4 , 5 ); and

a tenth linear segment of filament (D 3 ) that exists in the volume of space V( 2 , 1 ), the volume of space V( 3 , 2 ), the volume of space V( 4 , 3 ), and the volume of space V( 5 , 4 ), wherein:

(i) the tenth linear segment of filament (D 3 ) is fused to and parallel to the seventh linear segment of filament (C 1 ) in the volume of space V( 2 , 1 ), and

(ii) the tenth linear segment of filament (D 3 ) is fused to and parallel to the fifth linear segment of filament (C 2 ) in the volume of space V( 3 , 2 ), and

(iii) the tenth linear segment of filament (D 3 ) is fused to and parallel to the sixth linear segment of filament (C 3 ) in the volume of space V( 4 , 3 ), and

(iv) the tenth linear segment of filament (D 3 ) is fused to and parallel to the eighth linear segment of filament (C 4 ) in the volume of space V( 5 , 4 ).

4. The article of manufacture of claim 1 further comprising:

a seventh linear segment of filament (D 2 ) that exists in the volume of space V( 1 , 4 ), the volume of space V( 2 , 3 ), the volume of space V( 3 , 4 ), and the volume of space V( 4 , 5 ), wherein:

(i) the seventh linear segment of filament (D 2 ) is fused to and parallel to the first linear segment of filament (A 1 ) in the volume of space V( 1 , 2 ), and

(ii) the seventh linear segment of filament (D 2 ) is fused to and parallel to the third linear segment of filament (B 1 ) in the volume of space V( 2 , 3 ), and

(iii) the seventh linear segment of filament (D 2 ) is fused to and parallel to the second linear segment of filament (A 2 ) in the volume of space V( 3 , 4 ), and

(iv) the seventh linear segment of filament (D 2 ) is fused to and parallel to the fourth linear segment of filament (B 2 ) in the volume of space V( 4 , 5 ); and

an eighth linear segment of filament (D 3 ) that exists in the volume of space V( 2 , 1 ), the volume of space V( 3 , 2 ), the volume of space V( 4 , 3 ), and the volume of space V( 5 , 4 ), wherein:

(i) the eighth linear segment of filament (D 3 ) is fused to and parallel to the third linear segment of filament (B 1 ) in the volume of space V( 2 , 1 ), and

(ii) the eighth linear segment of filament (D 3 ) is fused to and parallel to the first linear segment of filament (A 1 ) in the volume of space V( 3 , 2 ), and

(iii) the eighth linear segment of filament (D 3 ) is fused to and parallel to the fourth linear segment of filament (B 2 ) in the volume of space V( 4 , 3 ), and

(iv) the eighth linear segment of filament (D 3 ) is fused to and parallel to the second linear segment of filament (A 2 ) in the volume of space V( 5 , 4 ).

5. The article of manufacture of claim 1 wherein the fifth linear segment of filament (C 2 ) comprises a bend between the volume of space V( 2 , 3 ) and the volume of space V( 3 , 2 ); and

wherein the bend has a radius that is greater than or equal to one-half of a length of bump p exhibited by the first linear segment of filament (A 1 ) and the third linear segment of filament (B 1 ).

6. The article of manufacture of claim 1 wherein the first linear segment of filament is continuous fiber-reinforced filament.

7. The article of manufacture of claim 1 wherein the first linear segment of filament is continuous carbon-fiber-reinforced filament.

8. An article of manufacture comprising a quadrilateral infill, the quadrilateral infill comprising:

a first linear segment of filament (C 2 ) that exists in a volume of space V( 1 , 4 ), a volume of space V( 2 , 3 ), a volume of space V( 3 , 2 ), and a volume of space V( 4 , 1 );

a second linear segment of filament (C 3 ) that exists in a volume of space V( 2 , 5 ), a volume of space V( 3 , 4 ), a volume of space V( 4 , 3 ), and a volume of space V( 5 , 2 );

a third linear segment of filament (A 1 ) that traverses in a straight line a volume of space V( 1 , 2 ), a volume of space V( 2 , 2 ), the volume of space V( 3 , 2 ), a volume of space V( 4 , 2 ), and a volume of space V( 5 , 2 ), wherein:

(i) the third linear segment of filament (A 1 ) is fused to and parallel to the first linear segment of filament (C 2 ) in the volume of space V( 3 , 2 ), and

(ii) the third linear segment of filament (A 1 ) is fused to and parallel to the second linear segment of filament (C 3 ) in the volume of space V( 5 , 2 );

a fourth linear segment of filament (A 2 ) that traverses in a straight line the volume of space V( 1 , 4 ), a volume of space V( 2 , 4 ), the volume of space V( 3 , 4 ), a volume of space V( 4 , 4 ), and the volume of space V( 5 , 4 ), wherein:

(i) the fourth linear segment of filament (A 2 ) is fused to and parallel to the first linear segment of filament (C 2 ) in the volume of space V( 1 , 4 ), and

(ii) the fourth linear segment of filament (A 2 ) is fused to and parallel to the second linear segment of filament (C 3 ) in the volume of space V( 3 , 4 );

a fifth linear segment of filament (D 2 ) that traverses the volume of space V( 1 , 2 ), the volume of space V( 2 , 3 ), the volume of space V( 3 , 4 ), and a volume of space V( 4 , 5 ), wherein:

(i) the fifth linear segment of filament (D 2 ) is fused to and parallel to the third linear segment of filament (A 1 ) in the volume of space V( 1 , 2 ), and

(ii) the fifth linear segment of filament (D 2 ) is fused to and parallel to the first linear segment of filament (C 2 ) in the volume of space V( 2 , 3 ), and

(iii) the fifth linear segment of filament (D 2 ) is fused to and parallel to the fourth linear segment of filament (A 2 ) in the volume of space V( 3 , 4 );

a sixth linear segment of filament (D 3 ) that traverses a volume of space V( 2 , 1 ), the volume of space V( 3 , 2 ), the volume of space V( 4 , 3 ), and the volume of space V( 5 , 4 ), wherein:

(i) the sixth linear segment of filament (D 3 ) is fused to and parallel to the third linear segment of filament (A 1 ) in the volume of space V( 3 , 2 ), and

(ii) the sixth linear segment of filament (D 3 ) is fused to and parallel to the second linear segment of filament (C 2 ) in the volume of space V( 4 , 3 ), and

(iii) the sixth linear segment of filament (D 3 ) is fused to and parallel to the fourth linear segment of filament (A 2 ) in the volume of space V( 5 , 4 ); and

a seventh linear segment of filament (B 2 ) that traverses in a straight line the volume of space V( 4 , 1 ), the volume of space V( 4 , 2 ), the volume of space V( 4 , 3 ), the volume of space V( 4 , 4 ), and the volume of space V( 4 , 5 ), wherein:

(i) the seventh linear segment of filament (B 2 ) is fused to the third linear segment of filament (A 1 ) in the volume of space V( 4 , 2 ), and

(ii) the seventh linear segment of filament (B 2 ) is fused to and parallel to the sixth linear segment of filament (D 3 ) in the volume of space V( 4 , 3 ), and

(iii) the seventh linear segment of filament (B 2 ) is fused to the fourth linear segment of filament (A 2 ) in the volume of space V( 4 , 4 ), and

(iv) the seventh linear segment of filament (B 2 ) is fused to and parallel to the fifth linear segment of filament (D 2 ) in the volume of space V( 4 , 5 );

9. The article of manufacture of claim 8 further comprising:

an eighth linear segment of filament (A 1 ) that traverses in a straight line a volume of space V( 1 , 2 ), a volume of space V( 2 , 2 ), the volume of space V( 3 , 2 ), a volume of space V( 4 , 2 ), and a volume of space V( 5 , 2 ), wherein:

(ii) the eighth linear segment of filament (A 1 ) is fused to and parallel to the first linear segment of filament (C 2 ) in the volume of space V( 3 , 2 ); and

a ninth linear segment of filament (A 2 ) that traverses in a straight line the volume of space V( 1 , 4 ), a volume of space V( 2 , 4 ), the volume of space V( 3 , 4 ), a volume of space V( 4 , 4 ), and the volume of space V( 5 , 4 ), wherein:

(i) the ninth linear segment of filament (A 2 ) is fused to and parallel to the second linear segment of filament (C 3 ) in the volume of space V( 3 , 4 ).

10. The article of manufacture of claim 8 further comprising:

an eighth linear segment of filament ( 31 ) that traverses in a straight line the volume of space V( 2 , 1 ), the volume of space V( 2 , 2 ), the volume of space V( 2 , 3 ), the volume of space V( 2 , 4 ), and the volume of space V( 2 , 5 ), wherein:

(i) the eighth linear segment of filament ( 31 ) is fused to and parallel to the sixth linear segment of filament (D 3 ) in the volume of space V( 2 , 1 ), and

(ii) the eighth linear segment of filament ( 31 ) is fused to the third linear segment of filament (A 1 ) in the volume of space V( 2 , 2 ), and

(iii) the eighth linear segment of filament ( 31 ) is fused to and parallel to the fifth linear segment of filament (D 2 ) in the volume of space V( 2 , 3 ), and

(iv) the eighth linear segment of filament ( 31 ) is fused to the fourth linear segment of filament (A 2 ) in the volume of space V( 2 , 4 ).

11. The article of manufacture of claim 8 wherein the first linear segment of filament (C 2 ) is continuous fiber-reinforced filament.

12. The article of manufacture of claim 8 wherein the first linear segment of filament (C 2 ) is continuous carbon-fiber-reinforced filament.

13. The article of manufacture of claim 10 wherein the first linear segment of filament (C 2 ) comprises a bend between the volume of space V( 2 , 3 ) and the volume of space V( 3 , 2 ); and

wherein the bend has a radius that is greater than or equal to one-half of a length of bump p exhibited by the third linear segment of filament (A 1 ) and the eighth linear segment of filament (B 1 ).

14. An article of manufacture comprising a quadrilateral infill, the quadrilateral infill comprising:

a second linear segment of filament (A 2 ) that traverses in a straight line a volume of space V( 1 , 4 ), a volume of space V( 2 , 4 ), a volume of space V( 3 , 4 ), a volume of space V( 4 , 4 ), and a volume of space V( 5 , 4 );

(i) the third linear segment of filament (B 1 ) is fused to the first linear segment of filament (A 1 ) in the volume of space V( 2 , 2 ), and

(ii) the third linear segment of filament (B 1 ) is fused to the second linear segment of filament (A 2 ) in the volume of space V( 2 , 4 );

(i) the fourth linear segment of filament (B 2 ) is fused to the first linear segment of filament (A 1 ) in the volume of space V( 4 , 2 ), and

(ii) the fourth linear segment of filament (B 2 ) is fused to the second linear segment of filament (A 2 ) in the volume of space V( 4 , 4 );

a fifth linear segment of filament (A 1 ) that traverses in a straight line the volume of space V( 1 , 2 ), the volume of space V( 2 , 2 ), the volume of space V( 3 , 2 ), the volume of space V( 4 , 2 ), and the volume of space V( 5 , 2 ), wherein:

(i) the fifth linear segment of filament (A 1 ) is fused to and parallel to the first linear segment of filament (A 1 ) in the volume of space V( 1 , 2 ), and

(ii) the fifth linear segment of filament (A 1 ) is fused to the third linear segment of filament (B 1 ) in the volume of space V( 2 , 2 ), and

(iii) the fifth linear segment of filament (A 1 ) is fused to and parallel to the first linear segment of filament (A 1 ) in the volume of space V( 3 , 2 ), and

(iv) the fifth linear segment of filament (A 1 ) is fused to the fourth linear segment of filament (B 2 ) in the volume of space V( 4 , 2 ), and

(v) the fifth linear segment of filament (A 1 ) is fused to and parallel to the first linear segment of filament (A 1 ) in the volume of space V( 5 , 2 ); and

a sixth linear segment of filament (A 2 ) that traverses in a straight line the volume of space V( 1 , 4 ), the volume of space V( 2 , 4 ), the volume of space V( 3 , 4 ), the volume of space V( 4 , 4 ), and the volume of space V( 5 , 4 ), wherein:

(i) the sixth linear segment of filament (A 2 ) is fused to and parallel to the second linear segment of filament (A 2 ) in the volume of space V( 1 , 4 ), and

(ii) the sixth linear segment of filament (A 2 ) is fused to the third linear segment of filament (B 1 ) in the volume of space V( 2 , 4 ), and

(iii) the sixth linear segment of filament (A 2 ) is fused to and parallel to the second linear segment of filament (A 2 ) in the volume of space V( 3 , 4 ), and

(iv) the sixth linear segment of filament (A 2 ) is fused to the fourth linear segment of filament (B 2 ) in the volume of space V( 4 , 4 ), and

(v) the sixth linear segment of filament (A 2 ) is fused to and parallel to the second linear segment of filament (A 2 ) in the volume of space V( 5 , 4 ),

15. The article of manufacture of claim 14 further comprising:

a seventh linear segment of filament (C 2 ) that exists in the volume of space V( 1 , 4 ), the volume of space V( 2 , 3 ), the volume of space V( 3 , 2 ), and the volume of space V( 4 , 1 ), wherein:

(i) the seventh linear segment of filament (C 2 ) is fused to and parallel to the second linear segment of filament (A 2 ) in the volume of space V( 1 , 4 ), and

(ii) the seventh linear segment of filament (C 2 ) is fused to and parallel to the third linear segment of filament (B 1 ) in the volume of space V( 2 , 3 ), and

(iii) the seventh linear segment of filament (C 2 ) is fused to and parallel to the first linear segment of filament (A 1 ) in the volume of space V( 3 , 2 ), and

(iv) the seventh linear segment of filament (C 2 ) is fused to and parallel to the fourth linear segment of filament (B 2 ) in the volume of space V( 4 , 1 ); and

an eighth linear segment of filament (C 3 ) that exists in the volume of space V( 2 , 5 ), the volume of space V( 3 , 4 ), the volume of space V( 4 , 3 ), and the volume of space V( 5 , 2 ), wherein:

(i) the eighth linear segment of filament (C 3 ) is fused to and parallel to the third linear segment of filament (B 1 ) in the volume of space V( 2 , 5 ), and

(ii) the eighth linear segment of filament (C 3 ) is fused to and parallel to the second linear segment of filament (A 2 ) in the volume of space V( 3 , 4 ), and

(iii) the eighth linear segment of filament (C 3 ) is fused to and parallel to the fourth linear segment of filament (B 2 ) in the volume of space V( 4 , 3 ), and

(iv) the eighth linear segment of filament (C 3 ) is fused to and parallel to the first linear segment of filament (A 1 ) in the volume of space V( 5 , 2 ).

16. The article of manufacture of claim 15 further comprising:

a ninth linear segment of filament (C 2 ) that exists in the volume of space V( 1 , 4 ), the volume of space V( 2 , 3 ), the volume of space V( 3 , 2 ), and the volume of space V( 4 , 1 ), wherein:

(i) the ninth linear segment of filament (C 2 ) is fused to and parallel to the sixth linear segment of filament (A 2 ) in the volume of space V( 1 , 4 ), and

(ii) the ninth linear segment of filament (C 2 ) is fused to and parallel to the third linear segment of filament (B 1 ) in the volume of space V( 2 , 3 ), and

(iii) the ninth linear segment of filament (C 2 ) is fused to and parallel to the fifth linear segment of filament (A 1 ) in the volume of space V( 3 , 2 ), and

(iv) the ninth linear segment of filament (C 2 ) is fused to and parallel to the fourth linear segment of filament (B 2 ) in the volume of space V( 4 , 1 ); and

a tenth linear segment of filament (C 3 ) that exists in the volume of space V( 2 , 5 ), the volume of space V( 3 , 4 ), the volume of space V( 4 , 3 ), and the volume of space V( 5 , 2 ), wherein:

(i) the tenth linear segment of filament (C 3 ) is fused to and parallel to the third linear segment of filament (B 1 ) in the volume of space V( 2 , 5 ), and

(ii) the tenth linear segment of filament (C 3 ) is fused to and parallel to the sixth linear segment of filament (A 2 ) in the volume of space V( 3 , 4 ), and

(iii) the tenth linear segment of filament (C 3 ) is fused to and parallel to the fourth linear segment of filament (B 2 ) in the volume of space V( 4 , 3 ), and

(iv) the tenth linear segment of filament (C 3 ) is fused to and parallel to the fifth linear segment of filament (A 1 ) in the volume of space V( 5 , 2 ).

17. The article of manufacture of claim 14 wherein

the first linear segment of filament (A 1 ) and the third linear segment of filament (B 1 ) are at different infill layers, and wherein the first linear segment of filament (A 1 ) and the fourth linear segment of filament (B 2 ) are at different infill layers.

18. The article of manufacture of claim 16 further comprising:

an eleventh linear segment of filament (D 2 ) that exists in the volume of space V( 1 , 2 ), the volume of space V( 2 , 3 ), the volume of space V( 3 , 4 ), and the volume of space V( 4 , 5 ), wherein:

(i) the eleventh linear segment of filament (D 2 ) is fused to and parallel to the fifth linear segment of filament (A 1 ) in the volume of space V( 1 , 2 ), and

(ii) the eleventh linear segment of filament (D 2 ) is fused to and parallel to the ninth linear segment of filament (C 2 ) in the volume of space V( 2 , 3 ), and

(iii) the eleventh linear segment of filament (D 2 ) is fused to and parallel to the tenth linear segment of filament (C 3 ) in the volume of space V( 3 , 4 ), and

(iv) the eleventh linear segment of filament (D 2 ) is fused to and parallel to the fourth linear segment of filament (B 2 ) in the volume of space V( 4 , 5 ); and

a twelfth linear segment of filament (D 3 ) that exists in the volume of space V( 2 , 1 ), the volume of space V( 3 , 2 ), the volume of space V( 4 , 3 ), and the volume of space V( 5 , 4 ), wherein:

(i) the twelfth linear segment of filament (D 3 ) is fused to and parallel to the third linear segment of filament (B 1 ) in the volume of space V( 2 , 1 ), and

(ii) the twelfth linear segment of filament (D 3 ) is fused to and parallel to the ninth linear segment of filament (C 2 ) in the volume of space V( 3 , 2 ), and

(iii) the twelfth linear segment of filament (D 3 ) is fused to and parallel to the tenth linear segment of filament (C 3 ) in the volume of space V( 4 , 3 ), and

(iv) the twelfth linear segment of filament (D 3 ) is fused to and parallel to the sixth linear segment of filament (A 2 ) in the volume of space V( 5 , 4 ).

19. The article of manufacture of claim 14 wherein the first linear segment of filament (A 1 ) and the fifth linear segment of filament (A 1 ) are at the same infill layer.

20. The article of manufacture of claim 14 wherein the pitch p(A) between the first linear segment of filament (A 1 ) and the second linear segment of filament (A 2 ) does not equal the pitch p(B) between the third linear segment of filament (B 1 ) and the fourth linear segment of filament (B 2 ).

Assignments (4)

RELEASE OF SECURITY INTEREST Recorded Sep 20, 2023

From: MCGEARY CUKOR LLC

To: AREVO INC

Reel/Frame 064959/0783 →

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 18, 2023

From: AREVO, INC.

To: STRATASYS, INC.

Reel/Frame 064942/0384 →

SECURITY INTEREST Recorded Aug 31, 2023

From: AREVO, INC

To: MCGEARY CUKOR LLC