Instructables

Step 7: Finished mold

Picture of Finished mold
30-fitting.jpg
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Once the prints have been washed and dried, they are ready to go.  I was casting expanding foam and I did not need any further prep other than mold release; different casting materials might differ and I will surely do more experiments and write up my results.
 
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maxwelljets2 years ago
And what kind of expanding foam did you use? was it the two-part A B foam, or was it great stuff/ spray foam?
maxwelljets2 years ago
What mold release compound did you use? I am also trying to make expanding foam parts on a 3d printed mold.