Select a face by pressing ctrl-shift and clicking on the face. Then mouse down and use the top-right pet palette button to change the surface appearance of that face.
To insert lights, you use the Lamp Tool
To get rid of an extra node, you do was with all polygon tools: select the node and move it on top of another node.
AC 28 USA and earlier • macOS Sequoia 15.3, MacBook Pro M2 Max 12CPU/30GPU cores, 32GB
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