Modular Input Device on Wood ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Comparing the thickness of the low profile portajohn2 to the portajohn1 Date: September 30, 2024 Image: Two custom keyboards laid on top of each other for a thickness comparison, laying on a light bamboo wood desk top. │ Here you can see quite the size difference between the original portajohn1 and the low profile portajohn2.