0412名無しさん@お腹いっぱい。垢版 | 大砲2018/01/28(日) 20:49:04.97ID:ThTG6zUY これってどう? https://gigazine.net/news/20151104-filament-extruder-for-3d-printer/ https://www.kickstarter.com/projects/948513712/felfil-evo-a-filament-extruder-for-3d-printers-mad