Update openscad-snapshot from 2019.10.24 to 2019.12.20 (#8885)
Update openscad-snapshot from 2019.10.24 to 2019.12.20 (#8885)


rogeriopradoj/homebrew-versions,404NetworkError/homebrew-versions,rogeriopradoj/homebrew-versions,404NetworkError/homebrew-versions,pkq/homebrew-versions,mahori/homebrew-cask-versions,pkq/homebrew-versions,caskroom/homebrew-versions,caskroom/homebrew-versions