Bumpy Grumpy 1/6, 2013, Black locust, 60 × 40 × 15 cm

Bumpy Grumpy 2/6, 2013, Black locust, 60 × 40 × 15 cm

Bumpy Grumpy 3/6, 2013, Black locust, 60 × 45 × 15 cm

Bumpy Grumpy 4/6, 2013, Black locust, 60 × 45 × 15 cm

Bumpy Grumpy 5/6, 2013, Black locust, 60 × 45 × 15 cm

Bumpy Grumpy 6/6, 2013, Black locust, 60 × 45 × 15 cm

Bumpy Grumpy 7, 2018, 55 x 40 x 10 cm