Tos-Craft has been designing papercraft since 2012. In 2013, he created this model. But it almost never had a chance to be known. It's now available for free on his Ko-fi site. When finished, this SD Altron Gundam papercraft is about 16 cm tall and requires about 8 sheets of colored paper.
"Back then I have some papercraft which never published. Fortunately this one particular file I managed to find." - Tos-Craft
The XXXG-01S2 Altron Gundam (aka Altron, Nataku, or Gundam Zero-Five) was built from the wreckage of XXXG-01S Shenlong Gundam, with the Gundam scientists quietly using the OZ's manufacturing facilities on the moon to upgrade the mobile suit with new equipment and weaponry. Altron was still a close combat unit, but was given more mid-range weaponry. It's introduced in Mobile Suit Gundam Wing and is piloted by Chang Wufei.
Download and build your own SD Altron Gundam papercraft by Tos-Craft.