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2, 3, and 4 inch wafer aligner
This is a wafer aligner made to fit 2, 3, and 4 inch wafers on a 45mm chuck.
I have printed it in both PLA and PETG successfully.
Cost savings is compared to a typical design is ~$1000. Depending on the material and infill settings, this part costs about $1.00-2.00 to make.