Sanding and smoothing in 3D Printing - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the sentence to describe the first step in sanding a 3D print.

3D Printing

Start sanding with [1] grit sandpaper to remove rough surfaces.

Drag options to blanks, or click blank then click option'

Acoarse

Bwet

Cpolished

Dfine

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing fine grit first, which is too gentle for rough surfaces.

Coarse grit sandpaper is used first to remove rough surfaces effectively before moving to finer grits.

2fill in blank

medium

Complete the sentence to explain smoothing after sanding.

3D Printing

After sanding, apply [1] to fill small gaps and create a smooth finish.

Drag options to blanks, or click blank then click option'

Apaint

Bfiller

Cprimer

Dglue

Attempts:

3 left

💡 Hint

Common Mistakes

Using paint or glue instead of filler.

Filler is used to fill small gaps and imperfections before final finishing.

3fill in blank

hard

Fix the error in the sentence about sanding technique.

3D Printing

Use [1] sanding to avoid overheating and damaging the print.

Drag options to blanks, or click blank then click option'

Awet

Bdry

Crough

Dfast

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing dry sanding which can cause heat damage.

Wet sanding helps keep the surface cool and prevents damage during sanding.

4fill in blank

hard

Fill both blanks to describe the sanding process stages.

3D Printing

Start with [1] grit sandpaper, then finish with [2] grit for a smooth surface.

Drag options to blanks, or click blank then click option'

Acoarse

Bmedium

Cfine

Dpolished

Attempts:

3 left

💡 Hint

Common Mistakes

Reversing the order of grit sizes.

Coarse grit is used first to remove roughness, then fine grit smooths the surface.

5fill in blank

hard

Fill all three blanks to complete the smoothing workflow.

3D Printing

Apply [1] after sanding, then use [2] to protect the surface, and finally [3] for shine.

Drag options to blanks, or click blank then click option'

Afiller

Bprimer

Cclear coat

Dpaint

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up primer and paint or skipping filler.

Filler smooths imperfections, primer prepares the surface, and clear coat adds shine and protection.