Few avid readers can display their collections quite so publicly and loudly as Dutch street artists Jan Is De Man and Deef Feed, who painted this bookcase across one entire of a three-story brick apartment in Utrecht.

Included on their faux shelves are some favorite actual volumes but also some fantasy editions naming themselves or other fictional figures as authors along illustrated book spines.

Windows and doors are cleverly integrated into the design, many of which are framed in upright books while other novels are left to tilt and stack in various ways, much like they would in a real-life case.

Inevitably, this was not the first attempt of its kind — other notable examples include a Kansas City Library, the parking lot of which is effectively fenced off by a giant-sized collection of classic editions.

It is not unusual to see art and design students walking around with portfolios under their arms, but few open up to reveal such creative results as these.

Inspired by campus folder cases, origami and pop-up books, Japanese designer Mariko Tsujimoto created this series of unfolding furnishings that deploy into surprisingly solid (if small) functional objects.

Set in vivid colors to distinguish their functionality, the set includes a chair, table, desk and bookshelf, each of which refolds automatically when the end pages are closed.

These quite literal portfolio pieces are just plastic prototypes for now, but rendered in a more solid material they could provide the conceptual groundwork for a full-fledged furnishing set.