It's a String Thing Challenge 159 by Adele 

Bruno.  String by Adele.  Patterns: Printemps

by Maria Thomas, Partay by Margaret Bremner

Palrevo by Karry Huen

It's a String Thing challenge 158 by Adele Bruno
String by Adele Bruno to celebrate the 2016 Rio
Olympics. Patterns: Drogon by Lily Moon, Flux
a zentangle original, Hollibaugh by Molly
Hollibaugh, Cadent by Rick Roberts and Maria
Thomas, Rio by Carli Sultanik, Printemps by
Maria Thomas

It's a String Thing Challenge 157.  String by
Adele Bruno.  Tangle patterns: Abeko and
Phroz by Lynn Mead.

It's a String Thing Celebratory challenge 156 by
Adele Bruno.  Tanglers Patterns: O by Adele
Bruno, Onamato and Opus by Maria Thomas
and Rick Roberts and Orbs-la-Dee