Open two revisions
The old revision of a part and the new one, as STEP files. Drop both at once if you like — the first by name becomes the old one.
AOld revisionDrop a .STEP file, or click to browseTap to choose a .STEP file
BNew revisionDrop a .STEP file, or click to browseTap to choose a .STEP file
Drop files anywhere in the windowCtrl Oto open one