U ukracer Forum Supporter Messages 16,228 Sep 20, 2019 #1 Got some twin wall plastic sheet that my son is cutting with a hole saw. Apparently the first hole is fine but the second has a lip. Will get some pics to expand if I can. He is using the cut piece...not the hole. What would you use...
Got some twin wall plastic sheet that my son is cutting with a hole saw. Apparently the first hole is fine but the second has a lip. Will get some pics to expand if I can. He is using the cut piece...not the hole. What would you use...
mike os just a little insane..... Messages 9,810 Location North Wales Sep 20, 2019 #2 Use a backing board
zx9 Forum Supporter Messages 5,115 Location South East London Sep 20, 2019 #3 mike os said: Use a backing board Click to expand... This ^^^^^ and / or cut the first side then turn over and cut the second wall from the other side.
mike os said: Use a backing board Click to expand... This ^^^^^ and / or cut the first side then turn over and cut the second wall from the other side.