What a great idea: simply cast a glass in plaster or concrete and you get a glass wall candle holder!
You could even put in the lavender candles from yesterday :)
Links:
Glass Wall Candle Holder (DTIPS TIL HJEMMELAGDE JULEGAVER 4: diy vegglysestake i betong // HOMEMADE CHRISTMAS GIFT IDEAS 4: diy concrete wall candle holder) (Norwegian and English)
via: diy concrete wall candle holder
Here at unikatissima:
Lavender Candles