Frame Series, Work No. 12, 13, 14

Frame Series, Work No. 10 (II)

Frame Series, Work No. 10 & 11

Frame Series, Work No. 8 & 9

Frame Series, Study Pieces

Frame Series, Work No. 7

Frame Series, Work No. 6

Frame Series, Work No. 4 & 5

Frame Series, Work No. 3

Frame Series, Work No. 1 & 2

Rhythm Series, Study Pieces 2 & 3

Rhythm Series, Study Piece 1

Rhythm Series, Work No. 5

Rhythm Series, Work No. 3

Rhythm Series, Work No. 1

Measuring Series,Work No. 6

Measuring Series,Work No. 1