Large pieces

In this gallery, I am going to place large pieces that are over 3 feet. Some of the pieces are long gone and I will have to guess at the dimensions . But they should be close

Der_r_thumb Original_dervish_thumb In_progress_thumb
Bigabe_thumb 2nativeam_thumb Spinningintersectingmobius_thumb
Trouble_in_mind_m_thumb Big_dervish_thumb Spark_thumb
Doublewave_thumb Wavedervish_thumb_thumb Yak_on_deck1_thumb
Charlie_parker_thumb Mississippimermaid_thumb Yoknapatawpha_thumb