Techniques for manufacturing and cooling three-dimensional objects

1. A method of manufacturing three-dimensional (3D) objects, the method comprising:

generating a plan for printing a plurality of 3D objects in a 3D printing medium, prior to printing any of the plurality of 3D objects, at least in part by:

identifying at least one unprinted area of the 3D printing medium for insertion of at least one cooling device; and

determining where at least some of the plurality of 3D objects are to be printed in the 3D printing medium such that none of the at least some of the plurality of 3D objects, when printed, intersect the identified at least one unprinted area for the insertion of the at least one cooling device;

printing, using a 3D printer, the at least some of the plurality of 3D objects in accordance with the plan;

after the printing,

inserting the at least one cooling device into the at least one unprinted area of the 3D printing medium; and

cooling the 3D printing medium using the at least one cooling device.

2. The method of claim 1 , further comprising:

marking the identified at least one unprinted area using the 3D printer.

3. The method of claim 2 , further comprising:

identifying, after the printing and based on the marking, at least one access point to the at least one unprinted area of the 3D printing medium.

4. The method of claim 1 , wherein generating the plan for printing the plurality of 3D objects includes determining a number of unprinted areas to include in the 3D printing medium.

5. The method of claim 4 , wherein determining the number of unprinted areas includes determining the number of unprinted areas to include in the 3D printing medium based on a size of the 3D printing medium.

6. The method of claim 4 , wherein determining the number of unprinted areas includes determining the number of unprinted areas to include in the 3D printing medium based on a desired cooling time of the 3D printing medium.

7. The method of claim 1 , wherein the 3D printing medium includes quadrants and wherein identifying the at least one unprinted area of the 3D printing medium includes identifying an unprinted area in a region of the 3D printing medium that spans at least two quadrants of the quadrants.

8. The method of claim 1 , wherein the 3D printing medium includes quadrants and wherein identifying the at least one unprinted area of the 3D printing medium includes identifying four unprinted areas, each of the four unprinted areas located at a boundary between a respective pair of the quadrants.

9. The method of claim 8 , wherein inserting the at least one cooling device comprises vertically inserting a cooling device into each of the four unprinted areas.

10. The method of claim 1 , wherein the at least one cooling device comprises a first cooling device and a second cooling device, wherein identifying the at least one unprinted area of the 3D printing medium includes identifying a first unprinted area that allows for vertical insertion of the first cooling device and a second unprinted area that allows for horizontal insertion of the second cooling device.

11. The method of claim 1 , further comprising:

placing a brace on the 3D printing medium after the printing, wherein inserting the at least one cooling device includes inserting one cooling device through the brace and into the 3D printing medium.

12. The method of claim 1 , wherein printing the at least some of the plurality of 3D objects includes printing the at least some of the plurality of 3D objects in the 3D printing medium in a frame, the frame comprising sidewalls and a tray coupled to the sidewalls.

13. The method of claim 12 , further comprising removing the sidewalls from the frame after printing.

14. The method of claim 13 , further comprising wrapping at least part of the 3D printing medium with a wrap after removing the sidewalls.

15. The method of claim 1 , further comprising:

monitoring temperature of the 3D printing medium; and

removing the at least some of the plurality of 3D printed objects from the 3D printing medium when the temperature of the 3D printing medium is less than a threshold temperature.

16. The method of claim 15 , wherein the threshold temperature is 70 degrees centigrade.

17. The method of claim 1 , wherein the 3D printing medium comprises at least one of Nylon 11 and Nylon 12.

18. The method of claim 1 , wherein printing the at least some of the plurality of 3D objects is performed using selective laser sintering (SLS).

19. The method of claim 1 , wherein the 3D printing medium comprises a powdered material and wherein substantially all of the powdered material in the at least one unprinted area is not fused by the 3D printer during the printing.

20. The method of claim 1 , wherein cooling the 3D printing medium using the at least one cooling device includes passing a fluid through the cooling device.

21. A method of manufacturing three-dimensional (3D) objects, comprising:

generating a plan for printing a plurality of 3D objects in a 3D printing medium;

printing, using a 3D printer, at least some of the plurality of 3D objects in accordance with the plan and in the 3D printing medium, while the 3D printing medium is disposed on a tray coupled to sidewalls;

after the printing,

exposing the 3D printing medium by removing the sidewalls;

compressing the exposed 3D printing medium by wrapping at least part of the exposed 3D printing medium with a plastic wrap;

inserting at least one cooling device into the 3D printing medium; and

cooling the 3D printing medium using the plastic wrap and the at least one cooling device.

22. The method of claim 21 , wherein generating the plan includes:

identifying at least one unprinted area of the 3D printing medium for insertion of at least one cooling device; and

determining where the at least some of the plurality of 3D objects are to be printed in the 3D printing medium such that none of the at least some of the plurality of 3D objects, when printed, intersect the identified at least one unprinted area for the insertion of the at least one cooling device.

23. The method of claim 22 , wherein inserting the at least one cooling device includes inserting the at least one cooling device into the at least one unprinted area of the 3D printing medium.

24. The method of claim 22 , further comprising:

marking the identified at least one unprinted area using the 3D printer.

25. The method of claim 24 , further comprising:

identifying, after the printing and based on the marking, at least one access point to the at least one unprinted area of the 3D printing medium.

26. The method of claim 21 , printing the at least some of the plurality of 3D objects is performed using selective laser sintering (SLS).

27. The method of claim 21 , wherein inserting the at least one cooling device into the 3D printing medium includes inserting the at least one cooling device into the 3D printing medium after wrapping the at least part of the 3D printing medium with the plastic wrap.