At high request, here is a zipped version (400mb) of the NEW Defcad Megapack 4.4 (Raiden).  If you prefer an unzipped version you can find that here:

# Files
This Megapack is a collection of newest DEFCAD CAD files including all previous Megapacks, i.e., Megapacks 4.2 (Saito) and the Megapack 4.3 (Tetsuo). This Megapack hence replaces all previous Megapacks. These files are not being released by Defense Distributed.

#Version
4.4 (Raiden)

# Websites
www.defensedistributed.com
www.defcad.com
www.defcad.org

# Twitter

# Megapack 4.4 Forum Thread (Comment here) 
http://defcad.com/forum/index.php?topic=2288.msg5916

# IRC
Server: irc.oftc.net Channel: #defcad

# Donate 
http://defcad.com 
http://defensedistributed.com/donate/

# Changelog

* Firearms/Liberators/Compact_Liberator_Frame-zylex/
* Firearms/Liberators/Liberator_v1.1/
* Firearms/Liberators/Liberator_v1.1/other_barrels/Liberator.25ACP_Liberator_Barrels-Proteus/
* Firearms/Liberators/Liberator_v1.1/other_barrels/Liberator_44_Special_barrel-Proteus/
* Firearms/Liberators/Liberator_v1.1/other_barrels/Liberator_45cal_barrel/
* Firearms/Liberators/Liberator_v1.1/other_barrels/Liberator_9mm_makarov_barrel-Proteus/
* Firearms/Liberators/Hydra_Liberator_Rifle_v1-Proteus/
* Firearms/Liberators/Pepperbox_Liberator_v1.1-Caboose/
* Grenades/Mortar-DruidicRifleman/
* Misc/Defcad_Board_of_Ed-DruidicRifleman/
* Misc/Samsung_GS4_Defcad_Case-Proteus/
* Pistols/Shuty_9mm_v1-shadowfall/STEP/individual_parts/BOLT.STEP
* Pistols/Shuty_9mm_v1-shadowfall/SLDPRT/BOLT.sldprt
* Pistols/Shuty_9mm_v1-shadowfall/STL/BOLT.STL
* Rifles/AK-47_10_round_Magazine-KryLiberty/
* Rifles/Carbine_and_Rifle_Handguards/
* Rifles/DefDist_Feinstein_AK47_magazine_v1.0/SLDPRT/
* Rifles/DefDist_Feinstein_AK47_magazine_v1.0/STEP/
* Rifles/DefDist_Cuomo_AR-15_30_round_magazine_v4.5/SLDPRT/
* Rifles/DefDist_Cuomo_AR-15_30_round_magazine_v4.5/STEP/
* Rifles/AR-15_UZI_Style_Magazine-nils/
* Rifles/Uzi_30rd_Magazine_v0.2_nils/
* Rifles/WarFairy_Charon_V0.2B-Sharilivan/
* Rifles/DefDist_AR15_Lower_Receiver_v5.1GS-cb/