Paper size Photography Paper Sizes | Passport, 2R, LD, DSC, 3R, L, LW, KGD, 4R, KG etc.
Listing all the photography series paper sizes in both inches and mm.
origami
Paper size 
Paper size Dimensions of International Envelope Paper Sizes | DL, B4, B5, B6, C3, C4, C5, C6/C5, C6, C7
Listing all the international-envelope series paper sizes in both inches and mm.
Paper size Dimensions of US Envelope Paper Sizes | 6¼, 6¾, 7, 7¾ etc.
Listing all the us-envelope series paper sizes in both inches and mm.
Paper size Dimensions of US Paper Sizes | Letter, Legal, Tabloid, ANSI,ARCH, etc
Dimensions of the US Paper SizesLetter, Legal, Tabloid, Ledger, Junior Legal, Half Letter, Government Letter, Government Legal, ANSI, ARCH in both inches and mm.
Paper size Dimensions of C paper sizes | C0,C1,C2,C3,C4,C5,C6,C7,C8,C9,C10
Dimensions of the C series paper sizes C0, C1, C2, C3, C4, C5, C6, C7, C8, C9 and C10 in both inches and mm.
Paper size Dimensions of B paper sizes | B0,B1,B2,B3,B4,B5,B6,B7,B8,B9,B10
Dimensions of the A series paper sizes B0, B1, B2, B3, B4, B5, B6, B7, B8, B9,B10,B11,B12,B13,B0+,B1+ and B2+ in both inches and mm.
Paper size Dimensions of A paper sizes | A0,A1,A2,A3,A4,A5,A6,A7,A8,A9,A10
Dimensions of the A series paper sizes in both inches and mm. - 4A0, 2A0, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9 and A10
Envelope / Bag / Case How to make Envelope with A4-Paper&Glue | Free download & print
How to make envelopes that can be easily made with A4 paper. You can use A4 paper to make an envelope.
A4 Paper / Newspaper How to make a garbage bag / box with News paper | paper crafts instructions
These origami projects are easy to make and let you use whatever paper you happen to have--A4 paper, newspaper, etc. Make a handy and useful item quick and easy—like an origami trash bin or trash can liner.
Boxes How to make an origami pen holder box | Paper Crafts Instructions and Diagram
This article introduces how to fold a vertically long box. It is perfect for small accessories with a folding method that can be easily made. Using beautiful paper or durable paper makes a nice case.