This gundam papercraft is the MSJ-06II-A Tieren Ground Type, designed by jurnalkertas. Here is the part2, and the part1 please visit here: Gundam Papercraft – MSJ-06II-A Tieren Ground Type Part I.
Part III is available now: Gundam Papercraft – MSJ-06II-A Tieren Ground Type Part III Free Download
You can download this gundam paper model from here: Gundam Papercraft - MSJ-06II-A Tieren Ground Type Part II Free Download