The preferred diamond drills are square drills. They seem to be favored by about 70% of diamond painting fans. But most will do a diamond painting in possibly form of drill. So seriously it really is up towards the 5D diamond painting artist. Diamond Painting Keychains: Tiny diamond painting https://diamondpaintingaccessorie69023.dsiblogger.com/59525057/detailed-notes-on-diamond-painting-pro