Malicondi
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1. You just gave a 2 block workaround..1. It only adds one block so I classify it as a on block workaround.
2. You would have to remember what the previous x or y is.
3. Rare situation, but the pen could be down.
2. In 3.0, it saves the last x or y position as the block you can drag out, or you can use a custom block to save the value or use this:
set x to (pick random (-240) to (240))and same for y, still only one extra block, and is also ridiculously simple.
3. use method 2.