R2D2 tire mold
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R2 tire made into a mold so you can cast one piece tires from polyurethane
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Updated at source:
Model information
- Source
- Printables
- Category
- RC & Robotics
- License
- Creative Commons — Attribution — Noncommercial
This is an adaptation of MrBaddeley's R2 tire made into a mold so you can cast one piece tires instead of fail multiple times with TPU or NinjaFlex
Along with a mold in PLA you will need
Ease Release 200
Simpact 85A polyurethane from Smooth-on
Gram Scale for measuring material
cups and stirrers
Instructions:
First and most importantly you must use at least three or four coats of mold release or the cast will get stuck in the mold for most of eternity. Follow the directions on the spray can and spray it a lot you want to almost fill in the layer lines as they will serve as locks holding your tire strong.
measure out 85 grams part A and 100 grams part B (grams not oz)
add tint is desired
mix until no streaks are present and pour into the mold
demold after 1 to 2 hours and let it cure for 24 hours before fitting to the hub. (wash it with dish soap to remove the wax release spray.)