Saturday, April 16, 2022

DIY Calipers Scroll Saw Pattern. Happy Easter.


To those of you who celebrate Easter, I want to wish you a blessed day. Enjoy time with family and friends and keep an eye out for that Easter bunny. I will probably take a couple of days off. See you when I get back.
Click to Enlarge
Download the Pattern Below

If you cut and assemble it carefully this will be a fairly accurate caliper. It will not be as accurate as a commercial caliper but much of the time it will be accurate enough. Mine seems to be accurate to about 1/32". 

The trick is to cut close and then sand the edges for a perfect fit. You want the slide to move smoothly but not be loose. The slide needs to stay parallel to the setpoint as it moves.
To lock the slide, use an eyelet screw with the tip flattened. Predrill a hole in the back of the slide and insert the eyelet screw until it touches the caliper body.

The pattern includes paper rulers you can print. Some printers are not accurate. After you print the ruler check it against a known accurate ruler.  Also double-check that the pdf print dialog is set "actual size". Look at page two of the pattern for details.

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Inlay with a 1" Forstner Bit.
The perfect way to sign your work.

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Wooden Ball Scroll Saw Pattern.

Click to Enlarge
Download the Pattern Below

This wooden Ball was cut on the scroll saw. This ball is a series of 21 disks glued together and sanded into a smooth ball. Why? I don't know but I had fun making it. :)

You want to sand the ball smooth and as close to a perfect sphere as possible. You could hand sand this but it will be a long process. I used power sanding and hand sanding until I got it where I wanted it. 

Each disk has a center hole of 1/8" diameter drilled for an indexing dowel. You will need a 1/8" dowel.

You will want to stack cut the disks to speed the cut up. You may want to cut just outside the pattern line of the circles then sand down to the line after they are cut. They really don't have to be perfect but it makes the sanding easier if they are close.

This could be handy to have if you were making a game of some type. The ball is 2.5" diameter.

Measured both directions.
Half of the ball

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