![A ring mandrel I designed for my micro lathe to help with sanding and finishing bentwood rings. : r/functionalprint A ring mandrel I designed for my micro lathe to help with sanding and finishing bentwood rings. : r/functionalprint](https://i.redd.it/hiftxw5nk1p61.jpg)
A ring mandrel I designed for my micro lathe to help with sanding and finishing bentwood rings. : r/functionalprint
![Amazon.com: Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. (Ring Sizes 11-14) : Arts, Crafts & Sewing Amazon.com: Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. (Ring Sizes 11-14) : Arts, Crafts & Sewing](https://m.media-amazon.com/images/I/51EWv97jicL.jpg)
Amazon.com: Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. (Ring Sizes 11-14) : Arts, Crafts & Sewing
![Amazon.com: Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. (Ring Sizes 4-7) : Arts, Crafts & Sewing Amazon.com: Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. (Ring Sizes 4-7) : Arts, Crafts & Sewing](https://m.media-amazon.com/images/I/51vxBbMejKL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. (Ring Sizes 4-7) : Arts, Crafts & Sewing
![Amazon.com: Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. (Full Set) : Arts, Crafts & Sewing Amazon.com: Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. (Full Set) : Arts, Crafts & Sewing](https://m.media-amazon.com/images/I/61gfQspQg2L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. (Full Set) : Arts, Crafts & Sewing
![Amazon.com: Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. (Ring Sizes 11-14) : Arts, Crafts & Sewing Amazon.com: Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. (Ring Sizes 11-14) : Arts, Crafts & Sewing](https://m.media-amazon.com/images/I/51dq9aAr++L.jpg)