Virtaviiva model was made also to the body of the H-malli (H-model). However, the sound holes on the bass keyboard are not made according to the Virtaviiva model.
Virtaviiva
A site specialized in accordions
A site specialized in accordions
Virtaviiva model was made also to the body of the H-malli (H-model). However, the sound holes on the bass keyboard are not made according to the Virtaviiva model.