I've found that Eneroth's open version is a God send.... I just hate loose entities.
Trimble fucked up when the went large scale, making small items undrawable. I have got into the practice of upscalling x 1,000... that way I can change the unit from mm to m and work as normal.... then downsize x .001.
Onshape may be more friendly, but I'm too bloody old to learn new things... that's why I stay obnoxious.
If your first cut is too short... Take the second cut from the longer end... LBD