Robuta

https://manpages.ubuntu.com/manpages/xenial/man3/Tk_SetBackgroundFromBorder.3tk.html Ubuntu Manpage: Tk_Alloc3DBorderFromObj, Tk_Get3DBorder, Tk_Get3DBorderFromObj, ubuntu manpage tk https://manpages.ubuntu.com/manpages/xenial/man3/Tk_Draw3DPolygon.3tk.html Ubuntu Manpage: Tk_Alloc3DBorderFromObj, Tk_Get3DBorder, Tk_Get3DBorderFromObj, ubuntu manpage tk