I know some users have been looking into this about a year ago, but I can't find any active threads. I had this working a month or so ago. It's very possible when my game switched completely over to UDL its what broke this. I have a labyrinth with moving walls (walls that pop out of the ground) and deleting/redrawing lighting lines is tedious when this allowed me to drop a token out and it works. DLR 'works' as long as i drop the token out, but crashes my api the second i rotate the token, I'd prefer to use a single wall token, but if need be I can create a 4-direction tokens and use those, but something simpler is better for me. The error I get is as follows. Error: Firebase.set failed: First argument contains NaN in property 'width' at Ba (/home/node/d20-api-server/node_modules/firebase/lib/firebase-node.js:9:186) at Ba (/home/node/d20-api-server/node_modules/firebase/lib/firebase-node.js:10:207) at Aa (/home/node/d20-api-server/node_modules/firebase/lib/firebase-node.js:8:462) at J.set (/home/node/d20-api-server/node_modules/firebase/lib/firebase-node.js:146:98) at createObj (/home/node/d20-api-server/api.js:2862:26) at Object.draw (apiscript.js:2436:28) at apiscript.js:1632:33 at Function.map (/home/node/d20-api-server/node_modules/underscore/underscore-node-f.cjs:1342:22) at updateDLPaths (apiscript.js:1631:47) at Object.onChange (apiscript.js:1775:25) In the meantime I'll try the 4-token solution, since my players might be getting to this point Sunday. But having this functionality working in the future would be a huge boon, especially if/when my players get spells that create walls,