Some ideas for Tripan tools

[Okapi]

Just some pictures to illustrate my tools actually in development, on the link you can go on my page with all Tripan tools I've made.

A tool for making concave brass cups.
http://www.lecollectionneur.ch/_Medi...23_med_hr.jpeg

And a study on a automatic threading tool with a 15mm. withdrawal for finishing on a large diameter.
http://www.lecollectionneur.ch/_Medi...16_med_hr.jpeg

The link to my others tools : PO Tripan | lecollectionneur.ch | Pierre_G.