Guess what I was making.

Chair?     Nope.

Palette?     Nope.

Drawing board?     Nope, but kinda close.

The answer is:

.
v
.
v
.
v
.
v
.
v
.
v
.
v
.
v
.
v
.
v
.
v
.
v
.
v

Ta-dah!

Keyboard holder (for Chin-don-ya)