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i have a piece of L shaped outside edge molding that i am trying to cut and piece together at a 90 degree angle around a cage.

i am cutting each side at a 45 degree angle like usuall to corner fit a piece of wood. for some reason i cant get them to fit at 90. my protractor says they are fitting at like 60 degrees.
i cut a regular piece of flat wood with the same settings on the saw i just used and it worked fine for the flat piece of wood. i am racking my brain! whats going wrong?
please help, my project is on hold! thanks very much
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1.1 Gargoyle geckos
0.0.1 asian golden tree frog
1.0 oriental firebelly toad
0.1 european firebelly toad
1.0 albino betta
1.0 orange tabby
0.0.1 asian painted frog
1.0 broad headed skink
0.0.1 fowlers toad
1.1 red eyed tree frog
1.1 red eared sliders
476.769.47 feeder crickets

What kind of molding? Some types will require a compound miter to cut.
Need some more info here.

its outer edge molding, "L" shaped or "V" shaped , depending on how you look at it.
i have a regular miter saw and a table saw, i figured i would be able to do the job of a compound mitre, just have to make more cuts.
i am trying to put it around the front of the cage.
when i cut regular flat molding it fits at a 90. but this stuff just wont fit together
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1.1 Gargoyle geckos
1.1 leucistic leopard gecko
0.0.1 asian golden tree frog
1.0 oriental firebelly toad
0.1 european firebelly toad
1.0 albino betta
1.0 orange tabby
0.0.1 asian painted frog
1.0 broad headed skink
0.0.1 fowlers toad
1.1 red eyed tree frog
1.1 red eared sliders
476.769.47 feeder crickets

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Link

-----
1.1 Gargoyle geckos
1.1 leucistic leopard gecko
0.0.1 asian golden tree frog
1.0 oriental firebelly toad
0.1 european firebelly toad
1.0 albino betta
1.0 orange tabby
0.0.1 asian painted frog
1.0 broad headed skink
0.0.1 fowlers toad
1.1 red eyed tree frog
1.1 red eared sliders
476.769.47 feeder crickets

I have not used that molding in ages. But I know which type it is.
I used it for edging on inexpensive countertop installs many years ago, and I remember it being a pain then.
You need to cut your 45 with one part laying flat down. and the upright part close to you...flushed against the miter box.You need to cut throught standing part, and then keep cutting right on through so that the "L" shape cuts at a perfect 45.
A miter box and hand saw is best for this.
I also used to use a Lion Miter to complete the 45.
This made a perfect 45 slice.
And then use light brads and glue to attach it.
For something more permanent, I've been using stainless finish screws lately. Those work very well, and hold much tighter than brads.
That molding may be too thin to use finish nails with, unless you tap a pilot hole first. It cracks very easily.
Good luck, and keep me updated on how it comes out
Bob

oh man i finally got it right
i clamped the piece on the saw as if it were mounted on the cage and cut it. the pieces lined up perfectly.
thank you so much for your help and quick response.
i never thought i would be so happy about something so retarted
-----
1.1 Gargoyle geckos
1.1 leucistic leopard gecko
0.0.1 asian golden tree frog
1.0 oriental firebelly toad
0.1 european firebelly toad
1.0 albino betta
1.0 orange tabby
0.0.1 asian painted frog
1.0 broad headed skink
0.0.1 fowlers toad
1.1 red eyed tree frog
1.1 red eared sliders
476.769.47 feeder crickets