I have tried various end-filament clips: fixed, mobile, universal, but none of them satisfied me. Often they did not adhere perfectly to the spool and came unhooked, or in their desire to be universal, they fitted badly and deformed after a while. Some claimed to be mobile and with perfect, but they never had my approval. So I created two simple and effective geometries for the Bambu Lab and Sunlu spools, similar but different from each other.

A few weeks ago I bought this digital caliper on a well-known e-commerce, famous worldwide. Well, it did not include its case, it was sent to me only in a cardboard box, with cellophane to prevent it from breaking. I took the opportunity to practice with my X1 Carbon and draw one for myself.