Pre-finished ply - Scroll Saw Woodworking & Crafts Message Board

millwab · 07-17-2006, 01:02 PM

I'm going to try my hand at cutting a portrait. A good friend of mine had to put down his faithful lab of 16 years and I thought I'd personalize a lab picture with his name and dates (years). The question is, I've got some pre-finished 1/8" ply I'd like to try using. What would be the best way to finish the inside of the cuts? Should I lay it upside down and spray from the back? Or not worry about the inside edges? Anybody out there with experience using pre-finished ply for their projects that could share what you do?

Bruce

CanadianScroller · 07-17-2006, 01:13 PM

Use a reverse tooth blade to minimize splintering.
I would also place a thin piece of cardboard, maybe an old cereal box behind the wood.

There should be no inside sanding required on a 1/8 board, specially if you use a sharp new blade.

Personally, I wouldn't finish the inside cuts if the rest of the ply is finished.
If you do want to spray, spray from behind. the overspray willnot show from the front.

You could also dip the wood in a stain, the stain will not stick to the poly finish but will stick inside the cutouts. You will have to wipe the excess stain off the front of the piece.

millwab · 07-17-2006, 01:54 PM

Thanx Carl.
I'll try backing with thin cardboard. Most of the time I use a crown-tooth blade. How will these do with the thin ply?

Bruce

CanadianScroller · 07-17-2006, 02:00 PM

Crown is fine. I used to use them all the time, Actually I had forgotten about them

07-17-2006, 01:02 PM	#1
millwab Senior Member Join Date: Sep 2005 Location: NE Ohio Posts: 425	Pre-finished ply I'm going to try my hand at cutting a portrait. A good friend of mine had to put down his faithful lab of 16 years and I thought I'd personalize a lab picture with his name and dates (years). The question is, I've got some pre-finished 1/8" ply I'd like to try using. What would be the best way to finish the inside of the cuts? Should I lay it upside down and spray from the back? Or not worry about the inside edges? Anybody out there with experience using pre-finished ply for their projects that could share what you do? Bruce

07-17-2006, 01:13 PM	#2
CanadianScroller Moderator CUT IT OUT Join Date: Feb 2005 Location: Chilliwack British Columbia, Canada Posts: 3,904 Blog Entries: 12	a few suggestions Use a reverse tooth blade to minimize splintering. I would also place a thin piece of cardboard, maybe an old cereal box behind the wood. There should be no inside sanding required on a 1/8 board, specially if you use a sharp new blade. Personally, I wouldn't finish the inside cuts if the rest of the ply is finished. If you do want to spray, spray from behind. the overspray willnot show from the front. You could also dip the wood in a stain, the stain will not stick to the poly finish but will stick inside the cutouts. You will have to wipe the excess stain off the front of the piece. __________________ CAЯL HIRD-RUTTEЯ "proud member of the best scroll sawing forum on the net." Ryobi SC180VS scroll saw EX21

07-17-2006, 02:00 PM	#4
CanadianScroller Moderator CUT IT OUT Join Date: Feb 2005 Location: Chilliwack British Columbia, Canada Posts: 3,904 Blog Entries: 12	Crown is fine. I used to use them all the time, Actually I had forgotten about them __________________ CAЯL HIRD-RUTTEЯ "proud member of the best scroll sawing forum on the net." Ryobi SC180VS scroll saw EX21

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07-17-2006, 01:54 PM	#3
millwab Senior Member Join Date: Sep 2005 Location: NE Ohio Posts: 425	Thanx Carl. I'll try backing with thin cardboard. Most of the time I use a crown-tooth blade. How will these do with the thin ply? Bruce