Update V1.6.7z Online
: Sometimes you must first use the Easel to draw or select a furniture layout/pattern before the option to "prepare" it appears at the Workbench. Handling the ".7z" File
The part of your query refers to a compressed archive file (7-Zip). If you are attempting to install a manual update for a game or mod: Update v1.6.7z
In the game, particularly within the questline, players often encounter the instruction to "Prepare piece" when working at a Workbench. This typically involves: : Sometimes you must first use the Easel
Try re-drawing the clipart on the Easel specifically for that furniture type (e.g., clicking the "bed" icon if you are preparing a bed). How to add clip art to furniture? - Facebook particularly within the questline