It's not too expensive. 1kg of PETG or PLA is around £20. However special filaments can be a lot more.    Simple things are cheap and easy. Ceiling roses are trivial to design and print.    These modules are the most complex I have ever designed as:   1. There's a lot of them that have to fit together and each way they fit is unique.   2. How they bolt together is important. I don't want any screws or nuts to show. I keep saying I don't have OCD but I do w
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