Measure and cut all panels to make the box size of your choice (remember: measure once, cut twice).The thickness was chosen to give room for the hose from my vacuum clearner to attach The length and width were chosen to give clearance for the frame. My MDF box's outer dimensions are: L:220mm x W:130mm x T:58mm I used a sheet of 10mm MDF that I had lying around but you can use whatever sheet you have, OR just find a plastic food box to save loads of time (wish I had thought of that before). Remeber: To design every face of your mold with at least a 4 degree angle to allow easy removal of the mold (note I didn't do that with the holes in the side)Įven with a 3D printed mold it took the shape very nicely but I did suffer a bit of heat warp in the PLA printed part, next time I will try putting it in the freezer first or using a higher meld 3D printer filiment (PETG or ABS). WARNING: Be careful to choose a plastic that will not product toxic fumes. Note: This design works for A4 sized plastic, not A4 sized molds Some examples of common things made using vacuum forming are: If you're not too familiar with vacuum forming, it is a very easy way to mold plastic over one side of a mold. I was suprised how quick and easy it was to get great results! This guide will show you how to make a A4 sized vacuum former using bits of scrap materials that you might have lying around at home.
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