My corners script for testing pen height and drag. References "paxi" which is my wrapper around fogleman/axi with the prepended "p" because it activates a python venv before executing a command.

corners.sh

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+#!/bin/bash
+
+#script for testing pen positions across a rectangle
+#used to test for pen drag
+
+SCALE=1.255
+XPOS=`echo "scale=5;$1*$SCALE" | bc`
+YPOS=`echo "scale=5;$2*$SCALE" | bc`
+
+touch () {
+	paxi down
+	sleep 1
+	paxi up
+	paxi home
+}
+
+touch
+
+paxi move 0 ${YPOS}
+touch
+
+paxi move ${XPOS} 0
+touch
+
+paxi move ${XPOS} ${YPOS}
+touch