Okay so in reality you don’t complete the entire frame before starting anything else. It may be 90% complete after initial sorting and flipping of pieces, so there are gaps in the border through which you can move finished portions.
Additionally, I would typically keep most of the unsorted pieces outside the frame and then build portions inside the frame.
Okay so in reality you don’t complete the entire frame before starting anything else. It may be 90% complete after initial sorting and flipping of pieces, so there are gaps in the border through which you can move finished portions.
Additionally, I would typically keep most of the unsorted pieces outside the frame and then build portions inside the frame.