William H. Thielen
William H. Thielen

Selected works across mixed media, painting, drawing, print, sculpture, and installations.

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The Collections

Untitled No. 1053 (carbon copy) 29''h x 23''w [2022] Prismacolor on paper
Abstract geometric artwork featuring colorful layered rainbow arches above a black-and-white checkerboard and concentric semicircle pattern, arranged in a bold symmetrical composition.
Untitled No. 268 (divide and conquer) 94''h x 122''w x 24''d [2007] wood, acrylic paint
layered cut wood shapes beside a contrasting red sculptural section
Untitled No. 348 (death star) 96''h x 100'' w x 5''d [2010] graphite, ink, acrylic on wood
Symmetrical abstract wall sculpture with red concentric circles and black-and-white geometric shapes radiating from the center.
Untitled No. 386 (diamond in the rough) 96''h x 115''w x 7''d [2011] graphite, ink, acrylic, sand, Styrofoam, wood
Abstract mixed-media wall sculpture with black-and-white geometric patterns, layered wooden forms, and bright pink circular elements
Untitled No. 1030 (black diamond) detail
Close up of colorful geometric polygons beside repeating black-and-white concentric arcs.
Untitled No. 843 (uninvited guest) 63''h x 44''w [2017] acrylic on canvas and wood
Wall artwork with geometric patterns, circular shapes, and black-and-white designs.
Untitled No. 1088 (visceral reaction) 100''h x 130''w x 18''d [2025] tulle and canvas
Abstract artwork detail featuring layered translucent fabric textures in vibrant colors blending into black, white, and gray tones.

About William

William H. Thielen is a visual artist working across mixed media, painting, drawing, print, and sculpture. His practice centers on geometric systems, color interaction, and the psychological effect of repeated forms. His work moves between tightly structured compositions and intuitive shifts that introduce imbalance, surprise, and rhythm.
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Abstract artwork featuring layered pink circular forms above a geometric black-and-white patterned panel with concentric square details.

Selected Works

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Close-up of a colorful abstract artwork featuring overlapping felt circles in various sizes on a black and white geometric patterned background.
Mixed Media
Abstract wall artwork featuring colorful concentric circles, geometric blocks, black-and-white triangular patterns, and striped panels arranged in a layered symmetrical composition on a canvas.
Paintings
Abstract geometric artwork featuring bold black-and-white angular patterns with colorful concentric circles arranged in a symmetrical composition on a wall.
Drawings
Abstract mixed-media artwork featuring geometric shapes, concentric circles, pink radial lines, black-and-white patterns, and wooden sculptural elements arranged in a layered composition.
Sculpture
Abstract artwork featuring layered geometric shapes in black, white, and pink, including circles, grids, dots, stripes, and textured patterns arranged on a white background.
Prints
Contemporary gallery installation featuring walls covered with repeating pink cylindrical patterns, creating a vibrant immersive artwork in a polished exhibition space.
Installations and Collaborations

Studio Practice

"A curated body of work focused on geometric systems, color interaction, and visual rhythm—developed across multiple mediums and presented in distinct series."

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For inquiries, collaborations, exhibitions, or available work, send a message below.
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