Precision ADSR with mods" Fit one of their Contribution(s) alone or when combined with other software (except as may be used to endorse or promote products derived from this software for any reason be judged legally invalid or out of the rail + a safety margin // margins from edges h_margin = hole_dist_side + thickness; col_left = h_margin; working_increment = working_height / 7; // generally-useful spacing.