I suppose at my age especially, younger then most of the people on here, motivation is easier as theres so much more i want to achieve and build ( to many ideas so little time)
but it sounds to me that you don't need motivation, you already have that you want to get into building again, its the INSPIRATION your missing.
i find personally when i am inspired i become more motivated, this is why my collecting of builds of so varied from tug, subs, mono hulls and recently yacht's.
i firmly believe you need to find something that inspires you something original, something diffrent, maybe even that one model you dreamed of building but never did for whatever reason.
give you a clue as to why I'm motivated to keep modeling heres my current line up of projects i want to accomplish over the next 18 months or so.. first off is finish the Huntsman conversion, next up is build a J Class yacht and start a trend down at my local club, next up will be most likely a HMS Fearless build, or possible go for a 1/16th scale landing craft with a working 1/16th scale tank that can drive off. or maybe even both!!
i have a dream that i want to archive at some point but i will save that for a real rainy day , but i would love to build a Steam Launcher with a Large live steam engine ( only thing stopping that one is the several £1000 missing for the boiler and engine .. anyone up for making a donation to the cause?
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Find something that inspires you to build and the motivation will return with that new found project