I've just finished the next set of lessons. These complete the second chapter of the tutorial, the 1st to 4th floors are now finished.

Hopefully, the download versions of these new lessons will be available at Poser Nation soon. For the time being you can watch them at ShareCG:

20 The window details Pt. B
www.sharecg.com/v/30586/Video-Tutorial/Modeling-Architecture-in-C4D-20---Window-Details-B

www.sharecg.com/v/30586/Video-Tutorial/Modeling-Architecture-in-C4D-20---Window-Details-B

21 The window details Pt. C
www.sharecg.com/v/30587/Video-Tutorial/Modeling-Architecture-in-C4D-21---Window-Details-C

22 The window details Pt. D
www.sharecg.com/v/30588/Video-Tutorial/Modeling-Architecture-in-C4D-22---Window-Details-D

23 The window details Pt. E
www.sharecg.com/v/30589/Video-Tutorial/Modeling-Architecture-in-C4D-23---Window-Details-E

24 The window details Pt. F
www.sharecg.com/v/30590/Video-Tutorial/Modeling-Architecture-in-C4D-24---Window-Details-F

25 The window details Pt. G
www.sharecg.com/v/30591/Video-Tutorial/Modeling-Architecture-in-C4D-25---Window-Details-G

26 The big stone frame
www.sharecg.com/v/30592/Video-Tutorial/Modeling-Architecture-in-C4D-26---Big-Stone-Frame

27 The ceiling for the 4th floor
www.sharecg.com/v/30593/Video-Tutorial/Modeling-Architecture-in-C4D-27---Another-Ceiling