Design and build of a 3d printed Roskopf watch, the assembly part 1

First part of the assembly I have designed, 3D printed and built a replica of a Roskopf watch Files are on My Mini Factory, available for a small fee https://www.myminifactory.com/object/3d-print-217816 Links to books about the history of the original, including a detailed biography of G.F. Roskopf and a thorough study of his watch In French: http://www.watkinsr.id.au/buffatFr.html In English and with additional graphics: http://www.watkinsr.id.au/buffat.html Hardware needed Ø2 can be polished steel or brass, strongly suggest piano wire for Ø 1 mm for stiffness Arbors gear 60-12 1x Ø 2mm x 72 drum 1x Ø 2mm x 40 ratchet 1x Ø 2 x 40 rewind gear 1x Ø 2mm x 19 rewind pinion 1x Ø 2 mm x 30 hands 1x Ø 2 mm x 28 (25 + 3 for bend) to hand gear 1x Ø 2mm x 17 top plate pins 6x Ø 2 mm x 30 escape and gear60-10 2x Ø 1 mm x 38 balance and anchor 2x Ø 1 mm x 41 pins balance anchor 4x Ø 1mm x 16 Springs spiral spring 1x Ø 0.4 x 1000 ratchet spring 1x Ø 1 x 120 screws M3 spring barrel 4x M3 x 10 + nuts friction plate 4x M3 x 6 3 plates joiner 2x M3 x 45 - 50 + nuts 1x M3 x 25 + nut top plate bridges 5x M3 x 20 + nuts cover to top plate 4x M3 x 6 cover to dial 1x m3 x 8 (10)+ nuts dial plate 4x M3 x 20 +nuts rewind pin 1x M3 x 12 (10-15) + nut ratchet 1x M3 X 2 nuts min hand 1x M3 x 10 + nut spiral to bridge 2x M3x12 collet to balance 2x M3 x 6 spiral to collet 1x M3 x 6 nuts 20x M3 nuts balance wheel weight as needed M3 x 6 - 16 Main Spring is Sthil chainsaw pullstart recoil spring (found on eBay) Recoil Pull Start Spring Replace Fits STIHL MS380 MS381 038 # 041 045 051 I have learned a lot with this book: A Treatise on Modern Horology in Theory and Practice, Claudius Saunier https://www.google.com/books/edition/... Traité d'horlogerie moderne, Claudius Saunier https://books.google.fr/books?id=vX1J... Links to books about the history of the original, including a detailed biography of G.F. Roskopf and a thorough study of his watch In French: http://www.watkinsr.id.au/buffatFr.html In English and with additional graphics: http://www.watkinsr.id.au/buffat.html I have learned a lot with this book: A Treatise on Modern Horology in Theory and Practice, Claudius Saunier https://www.google.com/books/edition/A_Treatise_on_Modern_Horology_in_Theory/1yVYAAAAYAAJ?hl=en Traité d'horlogerie moderne, Claudius Saunier https://books.google.fr/books?id=vX1JAAAAYAAJ&printsec=frontcover&hl=fr&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false