4 ms·
No help here, but for interest there are complex drill bits that will cut a (almost) square hole in wood.
by cc101 4y ago
No help here, but for interest there are complex drill bits that will cut a (almost) square hole in wood.
- walterbell 4y agoThey look expensive, and magical: https://www.youtube.com/watch?v=rjckF0-VeGI https://www.youtube.com/watch?v=rjckF0-VeGI