Bonjour Didier,
Après installation de pov-ray 3.7 RC7 et de ton plugin, j'ai ces messages d'erreurs...

Error: c:/users/pc marc/appdata/roaming/sketchup/sketchup 2016/sketchup/plugins/su2pov35.rbs:859: invalid multibyte char (UTF-8)
c:/users/pc marc/appdata/roaming/sketchup/sketchup 2016/sketchup/plugins/su2pov35.rbs:859: syntax error, unexpected '=', expecting ')'
str = str.gsub(/([ -#:'"$£=()|{}&+,;@-])/, '')
^
c:/users/pc marc/appdata/roaming/sketchup/sketchup 2016/sketchup/plugins/su2pov35.rbs:859: syntax error, unexpected ','
str = str.gsub(/([ -#:'"$£=()|{}&+,;@-])/, '')
^
c:/users/pc marc/appdata/roaming/sketchup/sketchup 2016/sketchup/plugins/su2pov35.rbs:859: @-' is not allowed as an instance variable name SketchUp:1:in eval'
Error Loading File su2pov35Toolbar.rb
Error: #<NameError: undefined local variable or method ocr_env' for main:Object> C:/Users/Pc Marc/AppData/Roaming/SketchUp/SketchUp 2016/SketchUp/Plugins/su2pov35Toolbar.rb:4:in <top (required)>'

Pourrais tu m'aider?
D'avance merci