Scroll saws and saws made from sewing machines have a powered up stroke as well as down stroke.
This I can’t resist. How do you make a scroll saw from a sewing
machine? Is there any webpage or archive file on this subject?
The upper arm part is straightforward enough but what do you do for
the under-table part to hold the other end of the blade?
I can get an electric sewing machine from Goodwill for $10, the motor
and speed control is already worth more than that. What I can
visualize about using a sewing machine for a scroll saw is the high
stroke force, the variable speed foot control and a sewing machine is