Hi Xion, Yes I have work with Perspex before.
Most of the time I have used a table saw with a blade that has 80 teeth, it has the "Triple Chip" format with 0 degree offset, the offset part is very important as it helps to stop the perspex from chiping.
I had a look at the jigsaw blades "36TPI" as these are for steel you may find that they are a tad too fine for perspex and will get hot and melt the perspex, also not sure if they are 0 degree offset .
I have used these Bosch T101A Jigsaw Blades for Perspex/Acrylic and are excellent.
They do have larger teeth than the 36TPI however they are designed for just cutting perspex and cut through it like a hot knife through butter.
I have had a looked on the net for blades these blades, however only foud links to the UK, I did found this site in the US that sell jigsaw blades for perspex,
or you can just look at you local hardware store.
http://www.usplastic.com/catalog/pro...roduct_id=2304
You may need to play with the speed you set your jigsaw at to find the right speed for the thickness you are cutting.
It also halp a lot to use that ali angle section that charles h recommended to give you a straight edge.
As for hacksaws they do work, however take a dam long time to get there, limited with the depth of cut you can make and near impossible to keep a straight cut.
Good luck with your cutting, I am looking forward to seeing the outcome.
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