i want to make a 'shelfing unit' that is an upright with slits across for the shelfs (with matching slits) to fit into.
I have to keep drilling to the minimum as its rented property so the uprights which are 4 x 1in will be wedged from sill to ceiling with just small (maybe 1in) angle brackets to fasten to wooden sill.
1. How can I get a perfect fit between sill and ceiling? I know I can measure but it isnt even.
2. How to get those slits perfect? Would there be a certain type of jigsaw blade that will make the job easier?
3. Are there any other measures I can take eg. to stop the wood splitting at the end of the slit.