120mm hole router template
thingiverse
Template for cutting a 120mm hole in work surface. Designed to work with a larger MDF base (i have a standard jig that takes the 160mm printed part and makes the base bigger) so includes cut outs for 8x3 mm magnets to hold to the base. Works fine without the base with careful clamping though. Use a template bit in the router with a bearing to follow the template. First test print (pictured didn't include raft and lifted from the bed in the corners. Printed again with raft for final version. Image of test cut has a couple of imperfections where the router hit the clamps - final cut was near perfect and printed at 100.6% scale (on my printer) gave accurate tolerance.
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