Math Spinner Enhanced (fast print, no support)
by pauloblank, published
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This is my remix for this great educational toy. I remodeled it to have negative and draft characters, so no need for supports. Also no need for part cleaning, and the central tube is a standard 1" PVC tube.
UPDATE: I've included my version #2 for 32mm water PVC tube. This is the white and pink smaller assembly showed in the pics. Also prints faster (~3,5h).
UPDATE: Take care, version 1 is for 25mm tube, not 25.4mm. The modeled internal diameter of the wheels are 25.6mm . So if you use the 1" tube, please scale the part in X and Y to increase the gap, otherwise it won't turn.
Version 2 is for 32mm tube, wheel's hole is 32.6mm
UPDATE: Someone asked for a '=' wheel with '> <' signs so I did it for the 32mm version. STL available now.
I've printed in ABS 0,2mm layer, 10% infill, no suport, 50mm/s. Took ~4h to print.
Print 4 numbers, 1 operator, 1 egual, 2 end caps.
Cut a 1" water pipe with 139mm, assemble and superglue the caps.
UPDATE: For version #2 cut a 32mm water tube with 112mm length
UPDATE: Added the Solidworks 2015 files for the 32mm version (small)
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Math Spinner Enhanced (fast print, no support) by pauloblank is licensed under the Creative Commons - Attribution - Share Alike license.
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- You must attribute (give credit) to the creator of this Thing.
- You must distribute Remixes under the same license as the original.
- Remixing or Changing this Thing is allowed.
- Commercial use is allowed.
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