Thingiverse
Bowling Ball Mold
por davidalloy
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This mold was designed with the intent to allow someone to make their own homemade bowling ball. A regulation sized bowling ball is 8.5 inches in diameter, this mold is designed to make one at 8.6 so that way after being sanded and smoothed out on a ball spinner it would be a regulation sized ball. I included STP files for anyone to take the data and modify it for their own purposes or to improve it.
The original design was featured on 220avg's YouTube channel. This design was updated since he used it in his video "I built the WORST BOWLING BALL ever..." - The top half of the mold has a bigger pour opening with ventilation grooves to allow air to escape if using a funnel for the resin.
The bottom mold has a 1/4" hole for a dowel pin to be used to suspend a core in the mold. Wooden dowel pins can be drilled out, I don't think a metal dowel pin is feasible but you can try if you would like.
NECESSARY INFORMATION BEFORE USE:
You have to sand and smooth out the layer lines of the prin
The original design was featured on 220avg's YouTube channel. This design was updated since he used it in his video "I built the WORST BOWLING BALL ever..." - The top half of the mold has a bigger pour opening with ventilation grooves to allow air to escape if using a funnel for the resin.
The bottom mold has a 1/4" hole for a dowel pin to be used to suspend a core in the mold. Wooden dowel pins can be drilled out, I don't think a metal dowel pin is feasible but you can try if you would like.
NECESSARY INFORMATION BEFORE USE:
You have to sand and smooth out the layer lines of the prin
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