Timbersaw is a melee strength hero that is most commonly played as a solo offlaner, although occasionally he is placed in the mid role.
Thanks to Reactive Armor and Timber Chain he has great lane sustainability and an escape mechanism, making him a viable offlaner despite being a melee hero.
Skills
Skill and max Timber Chain first, as it is your escape mechanism and deals reliable pure damage.
Skill Reactive Armor at level 2 if facing harass, but max it last.
Skill Whirling Death at level 4 in most situations, but max it second to max out your damage potential.
Always get your ultimate Chakram (levels 6, 11 and 16)
Items
Starting Items: A set of Tangos, a Healing Salve, a Stout Shield, and 2x Iron Branches.
Early Game Core: Magic Wand, Arcane Boots.
Mid Game Core: Bloodstone.
Luxury Extensions: Scythe of Vyse, Shiva’s Guard, Boots of Travel, Black King Bar, Aghanim's Scepter, Heaven’s Halberd, Blade Mail, Pipe of Insight, Rod of Atos.