estimateWB 0.1.2 2022-03-18 estimate material quantity error on line 1 LGPL-3.0-or-later freecad/estimateWB/resources/icon.svg https://github.com/erroronline1/estimateWB https://github.com/erroronline1/estimateWB/blob/master/README.md freecad/estimateWB/resources/icon.svg ./ estimateWB estimateWB estimate material quantity 0.1.2 0.19.0 estimate volume weight