How to print with crop marks:
My advice is to (1) print first, (2) then glue things together with glue tape or Studio Tac (I also have some if you need), (3) then crop / trim the cards. This way you do not have to struggle trying to line up two cards with glue on them. You can use the light tables in the printshop and the silkscreen room to line things up as well. For boxes, remember the grain of the paper and the grain of the chipboard must be going on the same direction, and apply glue with almost a dry brush, to avoid over-saturating.
DOCUMENTS PRODUCTION http://web2.uconn.edu/print/dpcweb2011/index.php
On campus, in the same building as the parking services office, across from the Visitors Center and next to North Campus. Many colors of paper and card stock. I believe you can purchase just 1 sheet. Be sure to check their hours.
STAPLES, WILLIMANTIC http://storelocator.staples.com/stores/en_US/CT/Willimantic/1295
You can preview what they have online and call to make sure it is in stock before you drive there or take the Willimantic bus.
30–60 min. away
Hartford and Providence, Providence (downtown) location lets you fill a bag with papers for $5.,
FRENCH PAPER https://www.frenchpaper.com
Many colors, great quality, and there are sample packs for $5. each.