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I sell 3D models of Upgrades for the Twotrees Sapphire Pro 3D printer. As new improvements appear, they will be automatically added to this archive.
1) STEP format is an alternative STEP format that opens in any CAD, which can also be edited and changed at will
2) STL format is a format for 3D Printing.
3) estimate - this is an XL format estimate for the purchase of the necessary improvements in China