🐺MODi Adapter 3D Print

This Guide demonstrates how to create a part using TinkerCAD. The designed part will be used with a Holder for the LIDAR Sensor.

Bracket Part Body

MODI Holder Assembly

MODI Holder Assembly Back

04_Mounting Holes

Holes are added to the Bracket so it can be fastened to the MODI holder.

Bracket part body with mounting holes

1. Drag the Cylinder Hole shape to the plane. Click the square handles used to manipulate the shape and enter a value of 3.05 for the length and width.

Creating a mounting hole

1. Click on the Hole cylinder on the plane and click the Duplicate button. Drag the cylinders apart.

Duplicating the mounting hole

1. Select the Part Body shape along with one of the hole cylinders. Click the Align button. Click on the Part Body shape then the middle alignment handle on each side of the Part body shape.

Aligning first hole to the part body shape

1. Click on the cylinder hole shape aligned to the part body shape and drag it to the left of the part body shape. Enter a horizontal distance in the x-plane of 24.803 and a distance of 0 for the y-plane.

Final placement of first hole on the part body shape

1. Select the cylinder hole aligned with the part body. Click the arrow on top of the cylinder used for moving the shape vertically and move the cylinder hole down at least -3.00. Select the aligned cylinder hole and the part body shape and click the Group button.

Group shapes to create first mounting hole

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The file must be exported as a ".STL" in order to print.

06_MODI ADD-ON

The MODI ADD-ON mount is attached to the Interface Lip assembly using a printed adapter part. Proper use of the MODI add-on will require that the Interface Lip assembly as well as the PCB platform assembly inside of the junction box are re-oriented.

Assembly With Add-on mount

Parts Needed

Assembled Rover

Bracket Part Body

Mount Adapter

Small Screwdriver

Bag#14, 2pcs - 4-40, 1/4" long screw

MODI Add-on mount

Re-orienting The Junction Box Assembly

1. Remove the junction box lid then the 4 case screws that fastens the Interface Lip assembly to the junction box.

Removing lid

Removing case screws

1. With the wires still connected, remove and place the interface lip assembly off to the side of the junction box. Remove the PCB platform, rotate it 180º then place it back into the junction box.

Re-orienting the PCB platform

1. Insert the printed adapter part at an angle in the underside of the interface lip assembly by the rocker switch and power plug with the tabbed portion of the printed adapter part up against the plastic of the Interface Lip assembly. Press firmly on the printed adapter part until its flushed with the interface lip assembly.

Adapter part placed into interface lip assembly at an angle

The printed adapter part should sit flush with the interface lip assembly.

1. Rotate the interface lip assemble to where the printed adapter part is facing the front of the rover then re-attach it to the top of the junction box using step 9 of 09_Junction Box Assembly from the Printed Instructions section.

Re-attaching interface lip re-oriented

MODI Add-on Assembly

1. Place the MODI inside of the MODI Add-on mount with the sensor facing the large circular opening and the MODI charge port facing upright.

Inserting the MODI into the MODI Add-on mount

1. Use 2 of the screws from bag#14 to secure the bracket to the MODI Add-on mount.

Fastening the bracket to the MODI Add-on mount

Bracket pins should align with the holes on the back of the MODI

Attaching The MODI Add-on

1. Slide the MODI Add-on to the posts on the printed adapter part installed to the Interface Lip assembly.