We'll use 5 3/4 x 1/4in. wooden sticks to hold both parts together. These sticks will be inserted in the slots located on the bottom of the parts.

There might be loose bits of plastic blocking the slots, use a pair of cutters to remove any excess material. You can carefully insert a stick into the slots to loosen up the tolerances if you find it too tight.

Don't use too much force when insert the sticks, they could break and get stuck inside the slots!

Carefully insert each stick into the slots and measure the depth with a pencil or marker. Your tolerances will differ depending on print settings, so it's a good idea to measure each slot for changes. With the sticks marked, cut them down to size using cutters.

You only need use sticks for every other slot. The extra slots are included in the design just incase you break a stick inside one of the slots.

Line up the second half of the shield. Insert the sticks into the slots and push the two peices together, one side at a time.

The parts tend to warp when printing, so you'll need to close up the gaps in between the two pieces. Use a material, such as air-dry-clay, Sugru or hand-moldable plastic to fill in the seams.

Use filler material to close open areas in the surface of the parts. Press the material into the gaps to shape it into small flat pieces and work them into the seams.

Use a spatula or a flat piece of plastic to remove excess filler from the edges of the seams.

This air-dry-clay™ requires 48 hours to fully dry. Keep in a warm dry area to help speed up curing time.

To add color to the outer frame, we'll use masking tape to cover the inner artwork. Use a hobby knife to cut the masking tape to cover the details with curves.

Use large pieces for large surfaces, don't worry about getting the details in the center. Cover up most of the inner details with multiple layers of tape.

Chrome and blue metallic spray paint gives these parts a car paint job finish. The gray pigment in the PLA acts as a primer, so you can apply chrome spray paint without any primer.

Apply at least two coats of spray paint to the outer details, making sure to get all the edges.

Spray paint in a well ventilated area. Use a protective respirator mask to avoid breathing in any messy chemicals.

Let the parts dry for an hour before removing the masking tape. You can use tweezers to help remove tape from the details.

To start the next color, apply masking tape over the outer frame. The Hylian Crest and the Tri-force graphics will be printed in Ninjaflex, so we didn't need to mask these out.

Use the blue metallic spray paint for the inner details.

After another hour of drying, you can remove the masking tape revealing the final paint job.

To make the Hylian Crest and the Tri-force stand out, you can paint these on or use Ninjaflex filament to print these details in different colors. You can tack or glue the details on.