Openbuilds Acro

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Model Acro 1510

The blackbox motion controller runs on GRBL (see list of commands)

Check the dimensions of your document in the vector drawing program (Inkscape or Illustrator)
- max width: 82cm (820mm)
- max height: 125cm (1250mm)
Prepare your drawing and export as SVG.
Optimize for plotter (Axidraw extention tool, or manually with layers or groups)


	Connect the USB cable from the controller to the computer.
	Plug in the power supply for the controller.
	Turn on the controller.
	On the computer, open the 'OpenBuilds CONTROL' application.
	Open the serial connection: select a USB to serial port and click connect. Look at the serial console to see if the connection worked or not. You'll see connect Firmware Detected if the connection was successful. Try another one if it fails to connect. If the menu doesn't list any good ports, close any applications that might have a serial connection. If that didn't work, restart the Openbuilds controller application or restart the computer.
	The unlock alarm flickers. Click on it do disable the safety lock.
	Click on 'Pen Up'
	Click on 'Home All' (This will move the head to the left front corner to calibrate its origin point).

The machine is now safe and ready to use.


	Open 'OpenBuilds CONTROL' and click 'Wizards & Tools'. Select 'Calibrate Servo Pen Up/Down'.
	Install the pen in the holder.
	Pen up: drag the slider carefully. Try to have the tip of the pen hover just high enough over the paper. Write down the value and click continue.
	Pen down: drag the slider carefully. The pen should rest on the page now. Look from the side and make sure the servo horn is not touching the pen holder anymore, but you'd also want it to stay close by as you want to minimize servo movements. Write down the value and click continue. Then click Save & Apply


	Go to svg2gcode
	Load the plotter settings Download this settings-file On the svg2gcode-website, click 'Settings', then 'Import/Export'. Select the file you just downloaded and click Save
	Enter the new servo positions: Click 'Settings again' At the 'Tool On Sequence' (pen down) section, change the number behind the M3S value to the one you wrote down for Pen Down * For example: M3S166
	At the 'Tool Off Sequence' (pen up) section, change the number behind the M3S value to the one you wrote down for Pen UP For example: M3S180 Click Save
	Select a vector file (SVG)
	Click 'Generate Gcode'. The website downloads the gcode file to your computer.
	Remove incompatible code Open the gcode file in a text editor and remove the characters `M2` on the last line. Save and close the file. This prevents a weird glitch where the pen is dropped back down after the plot finishes.


	In Openbuilds CONTROL, click 'Open Gcode'.
	Select the Gcode file that was downloaded by the svg2gcode website.
	Move with the arrows (on screen or on the keyboard) to the left bottom corner of the paper.
	Click `setzero`
	Double check the dimensions on the X and Y axis. Measure from the corner with a tape ruler if you're not sure it will fit.