Originally Posted by
rwbuild
FF, spend $20-00 and get 20Lm 12mm clear plastic tube, mix a bit of food colouring with water (makes it easier to see) and use as a water level.
Since you said only occasional use, just need to get your good lady to operate your datum end, just make sure you get ALL air bubbles out.
Accurate to +/- 1mm. Works around corners with both ends hidden from each other, laser won't do that. The advantage of the laser is 1 person operation and easier quicker set up. Leaves you with spare $'s for workshop toys :rolleyes: opps! meant essentials