Karel Martens: Perpetual Birthday Calendar
Karel Martens conceived this A3 wall calendar as a prototype in 1968. The design has been unrealized until now — a limited edition publication from Roma Publications. The Perpetual Birthday Calendar is built on a single die-cut shape, repeated across colored card stock, layered until the pattern multiplies into something that couldn't have been predicted from the piece alone. Thirteen sheets, each a different color, each punched to the same geometry. What changes is what's underneath.
Perpetual because it isn't year-specific — designed to track birthdays, anniversaries, or any date worth remembering across years.
Karel Martens for Roma Publications. Made in the Netherlands.
Part of our Karel Martens collection.
- Designer
- Karel Martens
- Year
- 1968
- Dimensions
- 11.75 × 16.5 in.
- Origin
- Made in the Netherlands
- Features
- 14 pages, softcover, spiral bound with hanging loop, 13 die-cut colored card stock sheets, perpetual (not year-specific), limited edition
Promotional discounts apply to over 500 items in our collection. As with all meaningful endeavors, there are boundaries - rare, limited edition, and sale items retain their original pricing.