How to increase transmissivity of FDM parts (part translucency)

To increase transmissivity of FDM parts:

  1. Step 1:

    STEP 1:
    Make part with ABSi (air gap: 0.004 inchs/0.1 mm).

  2. Step 2:

    STEP 2:
    Infiltrate part in transparent epoxy resin in proper mixing rate of main resin and hardener.

  3. Step 3:

    STEP 3:
    Remove the extra epoxy resin on the surface with tools like a putty remover.

  4. Step 4:

    STEP 4:
    Dry the part in the oven (30-35C) for 15-20 minutes and continuously dry it at
    normal temperature until it dries perfectly.

    Time required for this process depends on part shape. The sample part at left takes 3-4 hours to dry completely.

  5. Step 5:

    After this process transmissivity of FDM part increased from 5% to 39% and part strength is about the same as the original part. As a result we can get a durable ABS part with more than a 39% transmissivity increase.