Introduction: Center Finder Jig

Simple center finder.

Step 1: MDF

Cut two pieces of MDF.

Step 2: Glue

Glue and clamp them at a right angle.

Step 3: Screw

Reinforce the joint with screws and check for square.

Step 4: Angle

Cut a right angled triangle piece of MDF.

Step 5: Glue

Glue and clamp in place.

Step 6: Pivot Screw

Before the glue dries insert one screw to reinforce and to pivot. Check the 45 degree angle and adjust appropriately, then insert a second screw.

Step 7: Seal

Seal the edges of the MDF with glue and give the piece a coat of shellac to prevent moisture from warping the shape.

Step 8: Find the Center


pgs070947 (author)2017-08-20

Another one?

The old tricks are usually the best, but full marks for trying. I don't know who invented the first one, but Pythagoras might have had a hand in it.

If you need to leave the screws in, why not countersink and leave them flush? Just being picky, but something to snag on.

djpolymath (author)pgs0709472017-08-20

I did eventually countersinked the screws. Just got a little ahead of myself with posting the instructable.

AnthonyB80 (author)2017-08-16

Excellent in its simplicity

gm280 (author)2017-08-10

Simple and complete. Nothing else to ask for. Good project.

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