There are 2 types of Timber Frames: Plain Timber Frame, and Cross Timber Frame.
There is one way to obtain the plain timber frame and the cross timber frame, if you have a norman village, you'll need a building named "Carpenter". If you need plain timber frame or cross timber frame, search an other village Japanese or Norman. There is also another way if there is no Carpenter, you can create a village.
If you have a japanese village, you'll need a Shugi ie, a paper making hous
for more information.